Rectangular and square HSS

HSS 559x356x6.4

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 355.6d = 558.8t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
355.6mm
Thicknesst
6.35mm
Outside corner radiusro
12.7mm

Mass and area

Mass per lengthm
89.08kg/m
Cross-sectional areaA
11,348mm²
Outside perimeterP
1,807mm

Strong axis x–x

Moment of inertiaIx
508.910⁶ mm⁴
Elastic section modulusSx
1,82110³ mm³
Plastic section modulusZx
2,16510³ mm³
Radius of gyrationrx
211.8mm

Weak axis y–y

Moment of inertiaIy
255.910⁶ mm⁴
Elastic section modulusSy
1,43910³ mm³
Plastic section modulusZy
1,59410³ mm³
Radius of gyrationry
150.2mm

Torsion and stability

Torsional constantJ
528,84810³ mm⁴

Equivalents in other standards